Backings with slow, middle and high speed are provided in the tunes page. You can begin with the slow backing, and then try the midddle and fast backings.

• 口琴曲谱栏目一般都有慢速、中速和高速的伴奏，楼上的可以先使用慢速的，然后在逐步尝试中速和高速的伴奏。